Chris,
I remember that some meteorological instruments (e.g. sun shine
recorders) also have elctronic spirit levels on board.
Have a look here:
http://www.spectronsensors.com/appsheets/SAN-201-1703.pdf
and here:
http://www.spectronsensors.com/datasheets/SDS-117-1104.pdf
I don't know what these little gems would cost...
On their sites you can find complete inclinometers as well.
Frank van Lindert
Utrecht NL.
On Mon, 9 Mar 2009 16:31:45 +0000, Chris Barker wrote:
>Thanks, Ken.
>
>I have never heard of a "digital leveller" before and I can't see how
>it might work using 2 accelerometers.
>
>An accelerometer measures the acceleration of a moving object, not
>that of a stationery one (!). Unless the camera has an inertial
>platform, and an idea of what the earth's acceleration should be for
>its position on the earth's surface, I can't see how having 2
>accelerometers give it a levelling instructions.
>
>Any ideas anyone?
>
>Chris
>
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